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Ahhh yes... The tornado siren song of a failed check or solenoid valve.

I have a Dunham Bush that has a liquid line solenoid stuck open, does it on every off cycle and still going strong after 5yrs. The compressor is starting to get a vibration from the screws running backwards I am assuming. The customer is very aware of the consequences but refuses to fix it.

I have changed check valves on Trane screw compressors before, , remove the discharge line,. Remove valve and install new, not sure if the carrier is the same, ,. Really wasn't a difficult repair,. But like I said not sure abot the carrier,.

I have changed check valves on Trane screw compressors before, , remove the discharge line,. Remove valve and install new, not sure if the carrier is the same, ,. Really wasn't a difficult repair,. But like I said not sure abot the carrier,.

It's not too bad it's when you get in there and see how it made and you say how can it fail.